Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XM250-10-80B found under Power Supply by Cei Corp. The National Stock Number assigned to this part is 6130013433921, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like XM250-10-80B.